private void InitializeOverlay() { DEVMODE devMode = default; devMode.dmSize = (short)Marshal.SizeOf <DEVMODE>(); NativeWrappers.EnumDisplaySettings(null, -1, ref devMode); _window = new OverlayWindow(0, 0, devMode.dmPelsWidth, devMode.dmPelsHeight) { IsTopmost = true, IsVisible = true }; _graphics = new Graphics() { MeasureFPS = false, PerPrimitiveAntiAliasing = false, TextAntiAliasing = true, UseMultiThreadedFactories = false, VSync = false }; _isOverlayInitialized = true; }